CSV ↔ JSON Converter

Convert between CSV and JSON formats. Handles large files, auto-detects delimiters.

How to use this tool▼

Step 1: Choose conversion direction — CSV → JSON or JSON → CSV.

Step 2: Paste your data into the text area.

Step 3: Click Convert to transform the data.

Step 4: Use Copy to Clipboard or Download to save the result.

CSV → JSON auto-detects comma or tab delimiters and uses the first row as headers. JSON → CSV extracts all unique keys as column headers.

Paste your CSV

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